class Util { public static function getUniqueArray($array, $column) { $tmp = []; $uniqueArray = []; foreach ($array as $value){ if (!in_array($value[$column], $tmp)) { $tmp[] = $value[$column]; $uniqueArray[] = $value; } } return $uniqueArray; } } $relation_wines = Util::getUniqueArray($relation_wines, 'id');